.meeting-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  background-color: #242424;
  border-top: 1px solid #333;
  height: 80px;
}

.control-left, .control-center, .control-right {
  display: flex;
  align-items: center;
}

.control-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0 10px;
  cursor: pointer;
}

.control-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: #4a4a4a;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 5px;
  font-size: 20px;
  color: white;
}

.control-label {
  font-size: 12px;
  color: #ccc;
}

.control-btn:hover .control-icon {
  background-color: #5a5a5a;
}

.control-btn.active .control-icon {
  background-color: #409EFF;
}

.leave-btn .control-icon {
  background-color: #f56c6c;
}

.leave-btn:hover .control-icon {
  background-color: #f78989;
}

/* 媒体查询 - 平板 */
@media (max-width: 1024px) {
  .control-btn {
    margin: 0 8px;
  }
  
  .control-icon {
    width: 45px;
    height: 45px;
    font-size: 18px;
  }
  
  .control-label {
    font-size: 11px;
  }
}

/* 媒体查询 - 移动端 */
@media (max-width: 768px) {
  .meeting-footer {
    padding: 8px 15px;
    height: 70px;
  }
  
  .control-center {
    flex: 1;
    justify-content: space-around;
  }
  
  .control-left, .control-right {
    flex: 0 0 auto;
  }
  
  .control-btn {
    margin: 0 5px;
  }
  
  .control-icon {
    width: 40px;
    height: 40px;
    font-size: 16px;
    margin-bottom: 3px;
  }
  
  .control-label {
    font-size: 10px;
  }
  
  /* 隐藏移动端不常用的按钮 */
  .control-left .control-btn:not(:first-child),
  .control-center .control-btn:nth-child(n+5):not(:last-child) {
    display: none;
  }
  
  .more-controls {
    display: block !important;
  }
}

/* 媒体查询 - 小屏幕手机 */
@media (max-width: 480px) {
  .meeting-footer {
    padding: 6px 10px;
    height: 65px;
  }
  
  .control-icon {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }
  
  .control-label {
    font-size: 9px;
  }
}

/* 更多控制按钮 - 移动端 */
.more-controls {
  display: none;
}